If you have a collection, such as an array or a range, you can also use the Ruby each iterator to create a loop. : Array Each « Array « Ruby

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Ruby » Array » Array Each   If you have a collection, such as an array or a range, you can also use the Ruby each iterator to create a loop. grades = [88, 99, 73, 56, 87, 64] sum = 0 grades.each do |grade|   sum += grade end average = sum / grades.length puts average   Related examples in the same category 1.  each method goes through each element of the array and passes it as a parameter to the code block you supply. 2.  Identify the Array and Hash of Customers

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